Examples of Vertical and Horizontal Doors 
The illustration shows the alignment of two corridors within a care unit.

The doors of the corridors are defined with the following coordinates:
Corridor |
Door |
Coordinates |
Corridor 1 |
Door 1 |
(0,9) |
Corridor 1 |
Door 4 |
(0,0) |
Corridor 2 |
Door 2 |
(7,3) => vertical door at origin |
Corridor 2 |
Door 3 |
(7,0) |